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BaseRepresentation
bin10001101110111000111001…
…10101001000000011010011
312010001211121011210110110111
420313130130311020003103
520102341204343102133
6214533453333142151
711133154600102216
oct1067343465100323
9163054534713414
1038994491769043
1111474520023798
12445948848a957
13189b21b095985
1498b4b46b577d
15479509b0c1cd
hex23771cd480d3

38994491769043 has 2 divisors, whose sum is σ = 38994491769044. Its totient is φ = 38994491769042.

The previous prime is 38994491769031. The next prime is 38994491769067. The reversal of 38994491769043 is 34096719449983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38994491769043 - 25 = 38994491769011 is a prime.

It is not a weakly prime, because it can be changed into another prime (38994411769043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497245884521 + 19497245884522.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245884522).

Almost surely, 238994491769043 is an apocalyptic number.

38994491769043 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491769043 is an equidigital number, since it uses as much as digits as its factorization.

38994491769043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1269789696, while the sum is 76.

The spelling of 38994491769043 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-nine thousand, forty-three".